United Nations Conference on Trade and Development. (1974). The maritime transportation of iron ore: Report. United Nations.
Цитирование в стиле Чикаго (17-е изд.)United Nations Conference on Trade and Development. The Maritime Transportation of Iron Ore: Report. New York: United Nations, 1974.
Цитирование MLA (9-е изд.)United Nations Conference on Trade and Development. The Maritime Transportation of Iron Ore: Report. United Nations, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.